參數(shù)資料
型號： TDA9874AH
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： Digital TV sound demodulator/decoder
中文描述： AM/FM, AUDIO DEMODULATOR, PQFP44
封裝： 14 X 14 MM, 2.20 MM HEIGHT, PLASTIC, SOT-205-1, QFP-44
文件頁數(shù)： 20/68頁
文件大小： 231K
代理商： TDA9874AH
1999 Dec 03
20
Philips Semiconductors
Preliminary specification
Digital TV sound demodulator/decoder
TDA9874A
S/N
signal-to-noise ratio
V
o
= 1 V (RMS);
“CCIR468-2” quasi peak
SC1 from FM source to
any output
SC2 from FM source to
any output
SC1 during use of high
deviation mode from FM
source to any output
NICAM source
64
70
dB
60
66
dB
62
68
dB
NICAM in accordance with
“EBU specification” note 2
14.5
15
B
(
3dB)
3 dB bandwidth
from FM source to any
output
from NICAM source to any
output
from FM/NICAM to any
output; reference 1 kHz
note 3
note 4
AM:1 kHz,30% modulation;
reference: f
i
= 1 kHz; 50 kHz
deviation
SIF level 100 mV (RMS);
54% AM; 1 kHz AF;
“CCIR468-2” quasi peak
kHz
14.5
15
kHz
f
resp
frequency response
20 Hz to 14 kHz
dual signal channel separation
stereo channel separation
AM suppression for FM
2
+1
dB
α
cd(dual)
α
cs(stereo)
α
AM
65
40
50
70
45
dB
dB
dB
dm
AM
AM demodulation
36
45
dB
I
DENTIFICATION FOR
FM
SYSTEMS
m
pilot(ident)
C/N
pilot(ident)
pilot modulation for identification
pilot sideband C/N for
identification start
25
50
27
75
%
hys
(tun)
f
ident
hysteresis
identification window
2
dB
B/G stereo
slow mode
medium mode
fast mode
B/G dual
slow mode
medium mode
fast mode
slow mode
medium mode
fast mode
116.85
116.11
114.65
118.12
118.89
120.46
Hz
Hz
Hz
273.44
272.07
270.73
274.81
276.20
277.60
2
1
0.5
Hz
Hz
Hz
s
s
s
t
on(ident)
total identification time on
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Hz
dB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA9874AH/V2,557 功能描述:音頻放大器 DIGITAL STEREO DECODER VCR RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA9874AHB 功能描述:音頻放大器 DIGITAL STEREO DECODER VCR RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA9874APS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV sound demodulator/decoder
TDA9874H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV sound demodulator/decoder
TDA9875 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV Sound Processor DTVSP
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